XGY   Grimsby Mountain, ON
Weather Observed At   43-11  N    79-34  W
 
================
  2026-08-03 4:00pm Max
Min
  Weather
----



  Temperature
25.8 °C
26.6 °C
  3:15pm
15.5 °C
  6:42am
  Relative Humidity
56 %
96 %
 12:00am
50 %
  2:25pm
  Dew Point
16.3 °C
18.9 °C
 11:06am
15.0 °C
  5:03am
  Wind Velocity
246 ° at  3.8 G 8.7 kt
13.9 kt
 12:51am

  Pressure
    29.915 " 
29.920 "
  3:56pm
29.721 "
 12:00am
  Rainfall Rate
0.0 mm/h 5.0 mm/h
  1:57am

  Snow On Ground 0 cm

  Brightness / Darkness   137 W/m² /  0.00 m/"² 923 W/m²
  1:21pm
  17.79 m/"²    2:36am
  Remarks
 
  RainfallToday
1.6 mm
Storm Total
99.6 mm
  SnowfallToday
0.0 cm
Storm Total
0.0 cm
  Evapotranspiration Today
-3.99 mm


  Lake Conditions
  Water Temperature  20.7 °C
  Waves  1 '
ICE FREE

  Meteor Index
93   Perseids
  Aurora Index / Solar
9   Quiet   - 8 nT   Solar Flux   127  sfu  /   S 0    G 2    R 0   /  MUF   24.6 MHz
  Sunrise 6:11am
  Sunset 8:37pm

  Moonrise N/A
  Moonset N/A
  Moon Phase Waning Gibbous

Grimsby Mountain Weather Maps
Local Regional Area Synoptic

     
updated H+09 and every 10m updated H+19 and H+49
updated H+19

Ontario 6-Hour Meteorological Summary
Canadian 6-Hour Meteorological Summaries

CLIMAT Data
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EOF